Inventors and Inventions ...E. & F.N. Spon, 1867 - 263 pages |
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13th Century advantage apparatus appear apply arising become benefit Century of Inventions character charge claim considered contrivances Dircks Dircks's discovery doubt effect employ engine evidence existing experience experimental fact facturers favour flyinge give grant Patents Hartlib hath Henry Cort honour idea improvement ingenious interest inventors Jewel House labour letter Letters Patent licence Lord Lord Overstone Lord Stanley Macfie machine machinery Majestie manu manufacturers Marquis of Worcester materials matter means mechanical ment mental mind nature never novelty object obtained operations opinion optical illusions ordynance original Patent Law patent monopoly Patent Rights patented inventions persons possession practical present Price's Candle principle produced progress protection purpose remarkable render result reward Samuel Hartlib SAMUEL MORLAND scientific secret shotte Sir W. G. Sir William society steam steam-engine suppose theory thing tion trade